Abstract
The FeO/Fe2O3 ratio of magmas will depend on the oxygen fugacity, and the oxygen fugacity will itself be dependent on the composition of the magma and its gas content. The stability of the iron-bearing minerals depended on the FeO/Fe2O3 ratio, and the oxygen fugacity will, therefore, exert control on the fractionation trends of magmas. The oxygen fugacity is also significant for experimental work, as the fugacity of the charges should be the same as the fugacity of the magma (cf. Ulmer 1971).
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© 1985 Springer-Verlag Berlin Heidelberg
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Maaløe, S. (1985). Oxygen Fugacity. In: Principles of Igneous Petrology. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-49354-6_8
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DOI: https://doi.org/10.1007/978-3-642-49354-6_8
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-642-49356-0
Online ISBN: 978-3-642-49354-6
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